20180109320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{8581}}^1$

素因数の和:8863

約数の個数: 128

約数和(自身を含む): 53535202560

約数和(自身を除く): 33355093240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 227, 259, 280, 296, 370, 454, 518, 740, 908, 1036, 1135, 1295, 1480, 1589, 1816, 2072, 2270, 2590, 3178, 4540, 5180, 6356, 7945, 8399, 8581, 9080, 10360, 12712, 15890, 16798, 17162, 31780, 33596, 34324, 41995, 42905, 58793, 60067, 63560, 67192, 68648, 83990, 85810, 117586, 120134, 167980, 171620, 235172, 240268, 293965, 300335, 317497, 335960, 343240, 470344, 480536, 587930, 600670, 634994, 1175860, 1201340, 1269988, 1587485, 1947887, 2222479, 2351720, 2402680, 2539976, 3174970, 3895774, 4444958, 6349940, 7791548, 8889916, 9739435, 11112395, 12699880, 13635209, 15583096, 17779832, 19478870, 22224790, 27270418, 38957740, 44449580, 54540836, 68176045, 72071819, 77915480, 88899160, 109081672, 136352090, 144143638, 272704180, 288287276, 360359095, 504502733, 545408360, 576574552, 720718190, 1009005466, 1441436380, 2018010932, 2522513665, 2882872760, 4036021864, 5045027330, 10090054660, 20180109320]

約数ペア:

[(1, 20180109320), (2, 10090054660), (4, 5045027330), (5, 4036021864), (7, 2882872760), (8, 2522513665), (10, 2018010932), (14, 1441436380), (20, 1009005466), (28, 720718190), (35, 576574552), (37, 545408360), (40, 504502733), (56, 360359095), (70, 288287276), (74, 272704180), (140, 144143638), (148, 136352090), (185, 109081672), (227, 88899160), (259, 77915480), (280, 72071819), (296, 68176045), (370, 54540836), (454, 44449580), (518, 38957740), (740, 27270418), (908, 22224790), (1036, 19478870), (1135, 17779832), (1295, 15583096), (1480, 13635209), (1589, 12699880), (1816, 11112395), (2072, 9739435), (2270, 8889916), (2590, 7791548), (3178, 6349940), (4540, 4444958), (5180, 3895774), (6356, 3174970), (7945, 2539976), (8399, 2402680), (8581, 2351720), (9080, 2222479), (10360, 1947887), (12712, 1587485), (15890, 1269988), (16798, 1201340), (17162, 1175860), (31780, 634994), (33596, 600670), (34324, 587930), (41995, 480536), (42905, 470344), (58793, 343240), (60067, 335960), (63560, 317497), (67192, 300335), (68648, 293965), (83990, 240268), (85810, 235172), (117586, 171620), (120134, 167980)]